Useful or not, from you.
vsf-payment-paypal Cannot read property 'Buttons' of undefined"

[Vue warn]: Error in mounted hook: "TypeError: Cannot read property 'Buttons' of undefined" found in ---> <PaypalButton> at src/modules/paypal/components/Button.vue <OrderReview> at src/themes/default/components/core/blocks/Checkout/OrderReview.vue

TypeError: Cannot read property 'Buttons' of undefined at VueComponent.mounted (Button.vue:19)

That's a useful answer
Without any help

can you post the solution? briefly?